Ever see this on a Core/Freeze Plug?

4spdragtop said

Only 2nd time I've seen one. 1st one was yesterday on a thread here about heads.
Great info. Have fun with build fyssh!

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Thanks Steve,

It came down to rebuilding the Commando or going 5.9 Magnum. Displacement won out :realcrazy:

But I'm going to use the valve covers and air cleaner (hopefully there will be room) and V-belts and fake the 273!!